Search Results - "Kivel, N."

60 Fe and 244 Pu deposited on Earth constrain the r-process yields of recent nearby supernovae.

Authors: Wallner, A. Froehlich, M. B. Hotchkis, M. A. C. et al.

Source: Science (pre-March 2025). 5/14/2021, Vol. 371 Issue 6543, p742-745. 4p. 2 Charts, 2 Graphs.

Subjects: Supernovae, Nuclear astrophysics, Neutron stars, Pulsars, Nucleosynthesis

Production and separation of ¹⁶³Ho for nuclear physics experiments.

Authors: Heinitz, S. Kivel, N. Schumann, D. et al.

Source: PLoS ONE. 8/22/2018, Vol. 13 Issue 8, p1-12. 12p.

Wide angle Compton scattering on the proton: study of power suppressed corrections.

Authors: Kivel, N. Vanderhaeghen, M.

Source: European Physical Journal C -- Particles & Fields. Oct2015, Vol. 75 Issue 10, p1-11. 11p. 2 Diagrams, 1 Chart, 2 Graphs.

Leading chiral logarithms for pion form factors to arbitrary number of loops.

Authors: Kivel, N. A. Polyakov, M. V. Vladimirov, A. A.

Source: JETP Letters. Aug2009, Vol. 89 Issue 11, p529-534. 6p. 1 Diagram, 2 Charts.

Production of a tensor glueball in the reaction γγ → G2π0 at large momentum transfer.

Authors: Kivel, N. Vanderhaeghen, M.

Source: Physics Letters B. Jun2018, Vol. 781, p169-173. 5p.

Subjects: Tensor algebra, Gluons, Coupling reactions (Chemistry), Momentum (Mechanics), Relativistic momentum

QCD radiative corrections to the soft spectator contribution in the wide angle Compton scattering.

Authors: Kivel, N. Vanderhaeghen, M.

Source: Nuclear Physics B. Jun2014, Vol. 883, p224-255. 32p.

Subjects: Quantum chromodynamics, Compton scattering, Particles (Nuclear physics), Mathematical formulas, Hadronic atoms, Particle physics

On the chiral expansion for parton distributions at small

Authors: Kivel, N. Polyakov, M.V.

Source: Physics Letters B. Jun2008, Vol. 664 Issue 1/2, p64-69. 6p.

Subjects: Distribution (Probability theory), Characteristic functions, Probability theory, Standard deviations

NLO corrections to the twist-3 amplitude in DVCS on a nucleon in the Wandzura–Wilczek approximation: quark case

Authors: Kivel, N. Mankiewicz, L.

Source: Nuclear Physics B. Nov2003, Vol. 672 Issue 1/2, p357-371. 15p.

Subjects: Differential equations, Calculus, Integral calculus, Operational calculus

Description of the spacelike and timelike proton form factors at large momentum transfer in the QCD factorization approach

Authors: Kivel, N. Vanderhaeghen, M.

Source: Progress in Particle & Nuclear Physics. Apr2012, Vol. 67 Issue 2, p491-495. 5p.

Subjects: Form factor (Nuclear physics), Proton beams, Momentum transfer, Quantum chromodynamics, Factorization, Scattering (Physics), Nuclear cross sections

Effect of Pt injection rate on corrosion potential and Pt distribution on stainless steel under simulated boiling water reactor conditions.

Authors: Ramar, A. Grundler, P. V. Karastoyanov, V. et al.

Source: Corrosion Engineering, Science & Technology; Nov2012, Vol. 47 Issue 7, p489-497, 9p, 1 Color Photograph, 5 Black and White Photographs, 1 Diagram, 4 Charts, 2 Graphs

Radiative decays χcJ→Vγ within the QCD factorization framework.

Authors: Kivel, N. Vanderhaeghen, M.

Source: Physical Review D: Particles, Fields, Gravitation & Cosmology. 9/1/2017, Vol. 96 Issue 5, p1-1. 1p.

Separation of weighable amounts of 10Be from proton irradiated graphite.

Authors: Heinitz, S. Kiselev, D. Kivel, N. et al.

Source: Applied Radiation & Isotopes. Dec2017, Vol. 130, p260-263. 4p.

Subjects: Graphite crystallography, Beryllium compounds, Chemical purification, Ion exchange chromatography, Pyrolysis

Measuring neutron capture rates on ILL-produced unstable isotopes (¹⁴⁷Pm, ¹⁷¹Tm and ²⁰⁴Tl, and plans for ⁷⁹Se and ¹⁶³Ho) for nucleosynthesis studies.

Authors: Köster, U. Lerendegui-Marco, J. Guerrero, C. et al.

Source: EPJ Web of Conferences. 2018, Vol. 193, pN.PAG-N.PAG. 9p.

Measurement of the radiative capture cross section of the s-process branching points ²⁰⁴Tl and ¹⁷¹ Tm at the n_TOF facility (CERN).

Authors: Casanovas, A. Domingo-Pardo, C. Guerrero, C. et al.

Source: EPJ Web of Conferences. 2018, Vol. 178, p1-5. 5p.

Time-of-flight and activation experiments on ¹⁴⁷Pm and ¹⁷¹Tm for astrophysics.

Authors: Guerrero, C. Lerendegui-Marco, J. Domingo-Pardo, C. et al.

Source: EPJ Web of Conferences. 2017, Vol. 146, p1-4. 4p.

Solving isobaric interferences in Secondary Ion Mass Spectrometry: The case of Am and Pu in irradiated thorium-based fuel

Authors: Portier, S. Degueldre, C. Kivel, N.

Source: Spectrochimica Acta Part B. Jul2012, Vol. 73, p35-38. 4p.

Subjects: Secondary ion mass spectrometry, Radioisotopes, Polyurethanes, Measurement, Distribution (Probability theory), Power plants, Qualitative research

Analytical investigations of irradiated inert matrix fuel

Authors: Restani, R. Martin, M. Kivel, N. et al.

Source: Journal of Nuclear Materials. Mar2009, Vol. 385 Issue 2, p435-442. 8p.

Subjects: Nuclear fuels, Ceramic materials, Zirconium oxide, Surface coatings, Materials testing reactors, Electron probe microanalysis, Mass spectrometry, Cross-sectional method

Photon distribution amplitudes in QCD

Authors: Ball, Patricia Braun, V.M. Kivel, N.

Source: Nuclear Physics B. Jan2003, Vol. 649 Issue 1/2, p263. 34p.

Subjects: Photon emission, Quantum chromodynamics

Effect of Food on the Pharmacokinetics of Rifalazil, a Novel Antibacterial, in Healthy Male Volunteers.

Authors: Chen, Y. X. Cabana, B. Kivel, N. et al.

Source: Journal of Clinical Pharmacology. Jul2007, Vol. 47 Issue 7, p841-849. 9p.

First AMS measurements of 60Fe/Fe isotopic ratios at the Cologne 10 MV tandem accelerator.

Authors: Herb, S. Schiffer, M. Spanier, R. et al.

Source: Nuclear Instruments & Methods in Physics Research Section B. Dec2019, Vol. 461, p166-170. 5p.